Nakajima K, Bunko H, Tonami N, Taki J, Nanbu I, Shiire Y, Hisada K, Misaki T, Iwa T
J Nucl Med. 1986 Jul;27(7):1131-7.
Length-based Fourier analysis (LFA) was applied to tomographic gated blood-pool study, and phase and percent-shortening diagrams were generated. In 22 patients with pre-excitation syndrome and ten control subjects, the most basal short-axis section was used for tomographic analysis. When the initial abnormal phase was considered as the location of accessory conduction pathway (ACP), correct diagnosis for the localization of ACP was given in 19 of 22 patients. In ten control subjects, no specific segments of initial phase were noted, although six patients had initial phase in the septal or paraseptal segments. The tomographic LFA was more effective for pinpointing the segment of the earliest phase than tomographic count-based phase analysis. The LFA provided objective three-dimensional information for contraction sequence. Because movements of ventricular edges are essential in tomography, the LFA was considered to be a reasonable approach for the analysis of tomographic gated blood-pool study.
基于长度的傅里叶分析（LFA）应用于断层门控心血池研究，并生成了相位图和缩短百分比图。在22例预激综合征患者和10例对照受试者中，最基底部的短轴切面用于断层分析。当将初始异常相位视为附加传导通路（ACP）的位置时，22例患者中有19例对ACP的定位做出了正确诊断。在10例对照受试者中，尽管有6例患者在间隔或旁间隔段出现初始相位，但未发现初始相位的特定节段。断层LFA在确定最早相位节段方面比基于断层计数的相位分析更有效。LFA为收缩序列提供了客观的三维信息。由于心室边缘的运动在断层成像中至关重要，因此LFA被认为是分析断层门控心血池研究的一种合理方法。
